Datasheet

Table Of Contents
Table 182. List of
VREG_AND_CHIP_RES
ET registers
Offset Name Info
0x0 VREG Voltage regulator control and status
0x4 BOD brown-out detection control
0x8 CHIP_RESET Chip reset control and status
VREG Register
Description
Voltage regulator control and status
Table 183. VREG
Register
Bits Name Description Type Reset
31:13 Reserved. - - -
12 ROK regulation status
0=not in regulation, 1=in regulation
RO 0x0
11:8 Reserved. - - -
7:4 VSEL output voltage select
0000 to 0101 - 0.80V
0110 - 0.85V
0111 - 0.90V
1000 - 0.95V
1001 - 1.00V
1010 - 1.05V
1011 - 1.10V (default)
1100 - 1.15V
1101 - 1.20V
1110 - 1.25V
1111 - 1.30V
RW 0xb
3:2 Reserved. - - -
1 HIZ high impedance mode select
0=not in high impedance mode, 1=in high impedance mode
RW 0x0
0 EN enable
0=not enabled, 1=enabled
RW 0x1
BOD Register
Description
brown-out detection control
Table 184. BOD
Register
Bits Name Description Type Reset
31:8 Reserved. - - -
RP2040 Datasheet
2.9. On-Chip Voltage Regulator 142